Quote from the book "Повелители волшебства"

Suitable for smartphones, Android tablets, e-readers (except Kindle) and many programs

You can read the book directly in the browser

Can be opened on almost any device

Can be opened on any computer

Can be opened on any computer

Opens in Adobe Reader

Optimized and suitable for smartphones

Suitable for iOS devices (iPhone, iPad, iMac) and most reading apps

UNKNOWN